31204124343204 has 24 divisors (see below), whose sum is σ = 72810567943008. Its totient is φ = 10401239856000.

The previous prime is 31204124343181. The next prime is 31204124343247. The reversal of 31204124343204 is 40234342140213.

It is a super-2 number, since 2×31204124343204² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15899797 + ... + 17754204.

It is an arithmetic number, because the mean of its divisors is an integer number (3033773664292).

Almost surely, 2^{31204124343204} is an apocalyptic number.

It is an amenable number.

31204124343204 is an abundant number, since it is smaller than the sum of its proper divisors (41606443599804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31204124343204 is a wasteful number, since it uses less digits than its factorization.

31204124343204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33731275 (or 33731273 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31204124343204 its reverse (40234342140213), we get a palindrome (71438466483417).

The spelling of 31204124343204 in words is "thirty-one trillion, two hundred four billion, one hundred twenty-four million, three hundred forty-three thousand, two hundred four".